FR2412901A1 - Circuit de lecture - Google Patents
Circuit de lectureInfo
- Publication number
- FR2412901A1 FR2412901A1 FR7834697A FR7834697A FR2412901A1 FR 2412901 A1 FR2412901 A1 FR 2412901A1 FR 7834697 A FR7834697 A FR 7834697A FR 7834697 A FR7834697 A FR 7834697A FR 2412901 A1 FR2412901 A1 FR 2412901A1
- Authority
- FR
- France
- Prior art keywords
- signal
- positive
- reading
- negative
- reading circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Digital Magnetic Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/862,467 US4152731A (en) | 1977-12-20 | 1977-12-20 | Read circuit for distinguishing false peaks in an alternating current playback signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2412901A1 true FR2412901A1 (fr) | 1979-07-20 |
Family
ID=25338565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7834697A Pending FR2412901A1 (fr) | 1977-12-20 | 1978-12-08 | Circuit de lecture |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4152731A (de) |
| JP (1) | JPS5487513A (de) |
| DE (1) | DE2850468C2 (de) |
| FR (1) | FR2412901A1 (de) |
| GB (1) | GB2010555B (de) |
| HK (1) | HK66584A (de) |
| MY (1) | MY8500492A (de) |
| SG (1) | SG18284G (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2565039B2 (ja) * | 1991-10-18 | 1996-12-18 | ティアック株式会社 | デ−タ変換装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243580A (en) * | 1960-12-06 | 1966-03-29 | Sperry Rand Corp | Phase modulation reading system |
| US3404391A (en) * | 1964-07-08 | 1968-10-01 | Data Products Corp | Binary digit discriminator |
| FR2038902A5 (de) * | 1969-03-18 | 1971-01-08 | Siemens Ag | |
| US3597751A (en) * | 1969-04-21 | 1971-08-03 | Ibm | Signal recovery system for use with magnetic media |
| US3623040A (en) * | 1969-06-25 | 1971-11-23 | Scient Data Systems Inc | Digital decoding of reproduced signals |
| US3840892A (en) * | 1972-07-07 | 1974-10-08 | Hitachi Ltd | Method and device for detecting signals from magnetic memory |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012785A (en) * | 1976-02-13 | 1977-03-15 | Shugart Associates, Inc. | Magnetic recording playback circuit |
-
1977
- 1977-12-20 US US05/862,467 patent/US4152731A/en not_active Expired - Lifetime
-
1978
- 1978-11-14 GB GB7844396A patent/GB2010555B/en not_active Expired
- 1978-11-21 DE DE2850468A patent/DE2850468C2/de not_active Expired
- 1978-11-24 JP JP14524378A patent/JPS5487513A/ja active Pending
- 1978-12-08 FR FR7834697A patent/FR2412901A1/fr active Pending
-
1984
- 1984-02-29 SG SG182/84A patent/SG18284G/en unknown
- 1984-08-23 HK HK665/84A patent/HK66584A/xx unknown
-
1985
- 1985-12-30 MY MY492/85A patent/MY8500492A/xx unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243580A (en) * | 1960-12-06 | 1966-03-29 | Sperry Rand Corp | Phase modulation reading system |
| US3404391A (en) * | 1964-07-08 | 1968-10-01 | Data Products Corp | Binary digit discriminator |
| FR2038902A5 (de) * | 1969-03-18 | 1971-01-08 | Siemens Ag | |
| US3597751A (en) * | 1969-04-21 | 1971-08-03 | Ibm | Signal recovery system for use with magnetic media |
| US3623040A (en) * | 1969-06-25 | 1971-11-23 | Scient Data Systems Inc | Digital decoding of reproduced signals |
| US3840892A (en) * | 1972-07-07 | 1974-10-08 | Hitachi Ltd | Method and device for detecting signals from magnetic memory |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/70 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2850468A1 (de) | 1979-09-13 |
| GB2010555A (en) | 1979-06-27 |
| DE2850468C2 (de) | 1986-02-20 |
| SG18284G (en) | 1985-03-08 |
| HK66584A (en) | 1984-08-31 |
| GB2010555B (en) | 1982-03-31 |
| JPS5487513A (en) | 1979-07-12 |
| US4152731A (en) | 1979-05-01 |
| MY8500492A (en) | 1985-12-31 |
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